If I click off the search results to below it in the empty area just beneath them and then back onto another it will blue highlight the choice but not open it within the editor until I click off again (to the same empty area below), then it will change in the editor and lose the blue highlight. Switching back and forth between options without clicking off seems to work fine.
If I click back to my last selected choice before clicking off, and then onto a new choice, it will swap like it should (and be blue highlighted).
It appears that it is just the empty area below the search results causing this, but it was my first instinct to do that when using the program and checking other areas was an afterthought.